Q: Is 378,436 a Prime Number?
A: No, 378,436 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 378436 can be evenly divided by 1 2 4 37 74 148 2,557 5,114 10,228 94,609 189,218 and 378,436, with no remainder.
Since 378,436 cannot be divided by just 1 and 378,436, it is not a prime number.